Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/prolinuxhub/public_html/wp-includes/script-loader.php on line 757

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/prolinuxhub/public_html/wp-includes/script-loader.php on line 757

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/load.php on line 926

Notice: Trying to access array offset on value of type bool in /home/prolinuxhub/public_html/wp-includes/theme.php on line 2360

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798
Blocking words in Subject using postfix – PROLINUXHUB
Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Notice: Trying to access array offset on value of type null in /home/prolinuxhub/public_html/wp-content/plugins/cta/classes/class.cta.render.php on line 492

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

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Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

Deprecated: Function get_magic_quotes_gpc() is deprecated in /home/prolinuxhub/public_html/wp-includes/formatting.php on line 4798

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Blocking words in Subject using postfix

In order to block certain words in Subject using postfix the following has to be done.
1. In /etc/postfix/main.cf add the following

vi /etc/postfix/main.cf
header_checks = regexp:/etc/postfix/header_checks

2. Create header_checks and add the following line. In this example we will block XXX word separated by spaces.

vi /etc/postfix/header_checks
/^Subject:.*\b(XXX)\b/ DISCARD

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